High Volume Fly Ash Abrasion Resistant Concrete
Publication: Journal of Materials in Civil Engineering
Volume 14, Issue 3
Abstract
In this work, the abrasion resistance of high volume fly ash concrete was investigated. Concrete mixtures containing a large amount of fly ash replacing the cement in mass basis at 50 and 70% were prepared with various water-cementitious material ratios. A specially selected superplasticizer was employed to maintain the workability of the concrete. Volume loss of the specimen was considered as the abrasion value measured using a Dorry abrasion machine. Comparisons were made between normal portland cement (NPC) concrete and fly ash concrete. Comparisons were also made between fly ash concretes with 50 and 70% replacement. Investigation results have shown that the abrasion resistance increased as compressive strength increased. Analysis of the results showed that, for high strength grades (>40 MPa), the abrasion resistance of high volume fly ash concrete with 70% replacement with cement was found to be higher than that of counterpart control NPC concrete and concrete made with 50% fly ash. Superplasticizer and curing conditions have no significant influence on the general trend of the abrasion of concrete studied.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 14 • Issue 3 • June 2002
Pages: 274 - 277
Copyright
Copyright © 2002 American Society of Civil Engineers.
History
Received: Nov 21, 2000
Accepted: Jun 18, 2001
Published online: May 15, 2002
Published in print: Jun 2002
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